Directional valve with spool transfer loop

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United States of America Patent

PATENT NO 4406307
SERIAL NO

06249348

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A solenoid operated directional valve 10 that has cushioning chambers 48 and 50 into which the attenuation elements 52 and 54 on the ends of the spool 38 are received for cushioning the movement of the spool, and a transfer loop 56 through which fluid can travel during the cushioning operation, characterized in that the attenuation elements are constructed and arranged so that they will function to purge air or other gaseous fluids from the cushioning chambers and the transfer loop as an incident to reciprocal movement of the spool.

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Patent Owner(s)

Patent OwnerAddress
DOUBLE A PRODUCTS CO A CORP OF MI715 EAST DUNCAN MANCHESTER MI 48158

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Day, Curtis H Manchester, MI 5 52
Loup, Ronald L Clarkston, MI 13 180
Teichert, Rainer Plymouth, MI 6 17

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